We like people more when they mimic us. But only up to a point. If mimicry becomes too obvious, it can backfire, becoming mockery. A new study asks just how much imitation is enough to trigger benefits. Does the mimicker need to copy every action, or merely to move the same body parts?
Peggy Sparenberg and her colleagues conducted three experiments in all. In the first two, 126 participants performed movements while at the same time watching videos of human-like avatars performing various movements of their own here: